Radiator



Patented Fels. 26:3, i924.

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HENRY M. YEAG-ER, OF BUFFALO, NEW' YORK, ASSGNOR TQv FEDDERS' MANUFACTUR- ING COMPANY, ING., OF BUFFALO, NEW YORK, A CORPORATION 0F 'NEW YORK.

RADETOE.

Applicationrled April 6, 1923. Serial No. 630,350.

Toy all whom t may concer/n.:

Be it known that I, HENRY M. YEAGER, a citizen of the United States, residing in Bualo, in the county of Erie and State oi New York, have invented new and useful improvements in Radiators, .oit which the following is a Specification.

rhis invention relates to a radiator which is more particularly designed for use in automobiles and similar vehicles for cooling the water of a gas engine which operates the same. v

n such radiators, as heretofore constructed, an unequal distribution of the water over the entire radiating surface took place, by reason of the tendency of the water to take the shortest course 'from the inlet or the upper or supply tank to the outlet of the lower or delivery tank which resulted in a reduced efficiency of the radiator.

t is the object of this invention t0 provide a radiator having means whereby a more uniform distribution of the water over the entire cooling area is obtained and thus secure the maximum cooling eiliciency of the radiator.

In the accompanying drawings: Figure 1 is a front elevation, partly in section, of an automobile radiator embodying my invention. Figure 2 is a sectional side elevation of the same, the sectional portion being taken on line 2 2, Fig. 1. Figure 3 is a top plan view of the radiator, partly in section, the sectional portion being taken on line 3-3, Fig. l. Figure 4 is a view similar to Fig. 3. but showing a slight modification from the construction shown in Fig. 3.

Similar characters of reference refer to like parts throughout the several views.

This invention is applicable to radiators which may vary widely as to their details ot construction, that, for example, shown in the drawings comprising an upper or supply water tank 10, a lower or delivery water tank 11 and a core 12 interposed between the upper and lower tanks and provided with a plurality of upright water passages 13 and a plurality of horizontal air tubes 14 which are interposed between the. water passages so that the air flowing through these tubes will cool the water passing through the water passages or channels.

"in the construction shown in Figs. 1, 2 and 3, the hetl water from the gas engine is conducted into the central part of the rear wall of the upper tank through a water in let nipple 15 and the cooled water is returned from the lower water tank to the engine through an outlet nipple 16, which is connected with the rear wall of the lower tank adjacent to the 'right hand side there of, when viewing the radiator Jfrom the front. On its top, the upper water tank is provided with the usual filling` nipple 9 which is normally closed by a cap of any suitable or well known construction.

In the absence of any provision to prevent such an occurrence, the water, in passing from the upper supply tank to the lower delivery tank, would principally traverse those upright water passages or channels of the core which are adjacent to a line extending from the inlet of the upper water tank to the outlet of the lower water tank, which line would extend obliquely from the central part of the upper tank tothe right hand end of the lower water tank, if the inlet nipple 15 and the outlet nipple 16 are located in the position represented in Figs. 1, 2 and 3. In such an arrangement, progressively less water passes through the upright water tubes in proportion to the increase in distance which they are from a direct line extending from the water inlet to the water outlet nipple of the radiator, so that comparatively little, if any, water passes through those water channels which are farthest from this direct line, which in this instance would be those tubes arranged adj acent to the left side of the radiator when viewing the same from the front.

In order tov equalize the How of water through the several water channels or passages, a distributing baiie plate y17 is arranged horizontally across the bottom of the upper water tank and provided with a plurality of openings 18 through which the water must pass from the inlet water tank to the upper ends of the water channels or passages, these openings being made comparatively small at the right hand side of the radiator on which the outlet nipple 16 is located and are progressively larger toward the opposite side of the radiator and are largest on the left hand side of the radiator, which is opposite to where the outlet 16 is located. In such a construction., the water which is supplied to the upper tank through the inlet nipple `15 will be checked in its flow through those upright water channels or passages which are located on the same side of the radiator as the outlet nipple 16 while the supply of water to the remaining water. channels or passages of vthe radiator is progressively increased from checked or retardedsomewhat and the supply of water to the remaining tubes will be increased progressively in the same measure as the water channels or passages which are arranged more remotely from the outlet of the lower tank and thereby cause a prac-- ticallyY uniform distribution of the water among the several water channels or pas sages which results in utilizing the radiator to its full capacity and obtaining the maximum efficiency therefrom.

' lfthe water outlet is placed centrally in the rear wall of the lower water'tank, as indicated at 16a hy dotted lines in Fig. 1 and by full lines in Fig. 4i, so that the same is vertically inline with the inlet nipple l5 of the upper water tank, then the openings 18m in the. distributing plate 17a are so constructed that they are smallest in the central part of this plate and they are gradually larger in size from the central part of this plate toward the opposite right and left hand ends thereof, as shown in Fig. d. It will thus `be apparent that in this modiiied construction the same equalization of the distribution of the water from the upper tank among the several water channels or passages will be effected, inasmuch as the supply of water to thosetubes adjacent to the vertical line from the upper supply nipple 15 to the lower discharge nipple 16a will be restricted, while the supplyof water to the remaining tubes will become gradually more ample as the distance of the upright water passages increases from the vertical center of the tank toward opposite'sides of the same.

In like manner other proportions or relative sizes of openings to the distributing plate'may be made depending upon the particular relation of the water inlet and the water outlet of the respective upper and lower tanks.

As the water passes from the inlet nipple 15 into the upper water tank, the same is liable to splash and accumulate immediately adjacent to where the water enters this tank.

l To avoid this, and secure a more even distribution of the water over the entire space i degree side of the upper tank through the supplynipple 15, which in this case is in the center of the tank, while the remaining upper edge,

portion of thissplasher and spreader plate graduallyy grows less in height toward opposite ends of the same, which in the present instance, is effected by inclining the upper edge of this splasher and spreader plate from the central elevated part to the opposite ends thereof, as shown at 20 in Fig. 1. By this means the water entering through the inlet nipple 15 is obstructed most at the center of the tank but this obstruction gradually decreases toward opposite sides of the tank and thus produces a. more uniform spreadE ing of the water throughout the entire upper supply tank. The water entering the upper tank not only flows over the upper edge of the splasher and spreader plate, but also through a plurality of openings 21m the latter before reaching the distributing plate 17, thereby permitting a-substantially free flow of water from the inlet nipple 15 into the several parts of the upper tank, Ybut insuring amore even distribution of the water over this tank.

rlhese means for insuring a more uniform distribution of the water over Athe entire cooling surface of the radiator arel not only very simple in construction and eiiicient in operation, but they can also be produced without materially increasing the cost of the radiator and without necessitating any alteration in its design or sacrificing any advantages. Y

I claim as my invention: v

v 1. A radiator comprising a core having water passages and air tubes, Water supply and delivery tanks communicating with 0pposite ends of said Water passages and hav ing a water inlet and a water outlet, respectively, and means for spreading the water and preventing splashing of the same as it enters said supply tank through the inlet thereof, said means comprising anupright plate arranged in said supply tank in front of said inlet and having its greatest height opposite said inlet and of gradually less height away from said inlet.

2. A radiator comprising a core having water passages and air tubes, Water supply and delivery tanks communicating with opposite ends of said water passages and having a water inlet and a water outlet, respectively, bame means for retarding the How of water through those water passages immediico ately adjacent to the most direct path from said inlet to said outlet and permitting progressively increased flow of Water through those Water passages which are progressively greater distances from said path, said baille means comprising a plate having per- Jr'orations which are comparatively small adjacent to said path and gradually increase in size away from said path, and means for spreading the water and preventing splash-` ing of the same as it enters said supply tank through the inlet thereof comprising an upright plate arranged in said supply tank in front of said inlet and provided with a plurality of perforations and having its upper edge gradually reduced in height from said inlet to parts remote therefrom.

HENRY M. YEAGER. 

